Hair straightener



FIG. 1 illustrates a top front perspective view of an embodiment of a hair straightener employing an ornamental design in accordance with the present invention and in a closed configuration;

FIG. 2 illustrates a front view of the hair straightener of FIG. 1;

FIG. 3 illustrates a back view of the hair straightener of FIG. 1;

FIG. 4 illustrates a right side view the hair straightener of FIG. 1;

FIG. 5 illustrates a left side view of the hair straightener of FIG. 1;

FIG. 6 illustrates a top view of the hair straightener of FIG. 1;

FIG. 7 illustrates a bottom view of the hair straightener of FIG. 1;

FIG. 8 illustrates a top front perspective view of the hair straightener of FIG. 1 in an open configuration;

FIG. 9 illustrates a front view of the hair straightener of FIG. 8;

FIG. 10 illustrates a back view of the hair straightener of FIG. 8;

FIG. 11 illustrates a right side view the hair straightener of FIG. 8;

FIG. 12 illustrates a left side view of the hair straightener of FIG. 8;

FIG. 13 illustrates a top view of the hair straightener of FIG. 8; and,

FIG. 14 illustrates a bottom view of the hair straightener of FIG. 8.

The broken lines are included for the purpose of illustrating portions of the hair straightener and form no part of the claimed design. 

CLAIM The ornamental design for a hair straightener, as shown and described. 